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/*
Fake86: A portable, open-source 8086 PC emulator.
Copyright (C)2010-2013 Mike Chambers
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* input.c: functions for translation of SDL scancodes to BIOS scancodes,
and handling of SDL events in general. */
#include <SDL/SDL.h>
#include <stdint.h>
#include "sermouse.h"
uint8_t keydown[0x100], keyboardwaitack = 0;
extern uint32_t usegrabmode;
extern void doirq (uint8_t irqnum);
extern uint8_t running, portram[0x10000];
extern SDL_Surface *screen;
uint8_t translatescancode (uint16_t keyval) {
switch (keyval) {
case 0x1B:
return (1);
break; //Esc
case 0x30:
return (0xB);
break; //zero
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
return (keyval - 0x2F);
break; //other number keys
case 0x2D:
return (0xC);
break; //-_
case 0x3D:
return (0xD);
break; //=+
case 0x8:
return (0xE);
break; //backspace
case 0x9:
return (0xF);
break; //tab
case 0x71:
return (0x10);
break;
case 0x77:
return (0x11);
break;
case 0x65:
return (0x12);
break;
case 0x72:
return (0x13);
break;
case 0x74:
return (0x14);
break;
case 0x79:
return (0x15);
break;
case 0x75:
return (0x16);
break;
case 0x69:
return (0x17);
break;
case 0x6F:
return (0x18);
break;
case 0x70:
return (0x19);
break;
case 0x5B:
return (0x1A);
break;
case 0x5D:
return (0x1B);
break;
case 0xD:
case 0x10F:
return (0x1C);
break; //enter
case 0x131:
case 0x132:
return (0x1D);
break; //ctrl
case 0x61:
return (0x1E);
break;
case 0x73:
return (0x1F);
break;
case 0x64:
return (0x20);
break;
case 0x66:
return (0x21);
break;
case 0x67:
return (0x22);
break;
case 0x68:
return (0x23);
break;
case 0x6A:
return (0x24);
break;
case 0x6B:
return (0x25);
break;
case 0x6C:
return (0x26);
break;
case 0x3B:
return (0x27);
break;
case 0x27:
return (0x28);
break;
case 0x60:
return (0x29);
break;
case 0x130:
return (0x2A);
break; //left shift
case 0x5C:
return (0x2B);
break;
case 0x7A:
return (0x2C);
break;
case 0x78:
return (0x2D);
break;
case 0x63:
return (0x2E);
break;
case 0x76:
return (0x2F);
break;
case 0x62:
return (0x30);
break;
case 0x6E:
return (0x31);
break;
case 0x6D:
return (0x32);
break;
case 0x2C:
return (0x33);
break;
case 0x2E:
return (0x34);
break;
case 0x2F:
return (0x35);
break;
case 0x12F:
return (0x36);
break; //right shift
case 0x13C:
return (0x37);
break; //print screen
case 0x133:
case 0x134:
return (0x38);
break; //alt
case 0x20:
return (0x39);
break; //space
case 0x12D:
return (0x3A);
break; //caps lock
case 0x11A:
case 0x11B:
case 0x11C:
case 0x11D:
case 0x11E:
case 0x11F:
case 0x120:
case 0x121:
case 0x122:
case 0x123:
return (keyval - 0x11A + 0x3B);
break; //F1 to F10
case 0x12C:
return (0x45);
break; //num lock
case 0x12E:
return (0x46);
break; //scroll lock
case 0x116:
case 0x107:
return (0x47);
break; //home
case 0x111:
case 0x108:
return (0x48);
break; //up
case 0x118:
case 0x109:
return (0x49);
break; //pgup
case 0x10D:
return (0x4A);
break; //keypad -
case 0x114:
case 0x104:
return (0x4B);
break; //left
case 0x105:
return (0x4C);
break; //center
case 0x113:
case 0x106:
return (0x4D);
break; //right
case 0x10E:
return (0x4E);
break; //keypad +
case 0x117:
case 0x101:
return (0x4F);
break; //end
case 0x112:
case 0x102:
return (0x50);
break; //down
case 0x119:
case 0x103:
return (0x51);
break; //pgdn
case 0x115:
case 0x100:
return (0x52);
break; //ins
case 0x7F:
case 0x10A:
return (0x53);
break; //del
default:
return (0);
}
}
uint8_t buttons = 0;
extern void sermouseevent (uint8_t buttons, int8_t xrel, int8_t yrel);
extern struct sermouse_s sermouse;
extern void setwindowtitle (uint8_t *extra);
void mousegrabtoggle() {
if (usegrabmode == SDL_GRAB_ON) {
usegrabmode = SDL_GRAB_OFF;
SDL_WM_GrabInput (SDL_GRAB_OFF);
SDL_ShowCursor (SDL_ENABLE);
setwindowtitle ("");
}
else {
usegrabmode = SDL_GRAB_ON;
SDL_WM_GrabInput (SDL_GRAB_ON);
SDL_ShowCursor (SDL_DISABLE);
setwindowtitle (" (press Ctrl + Alt to release mouse)");
}
}
extern uint8_t scrmodechange;
extern uint32_t usefullscreen;
void handleinput() {
SDL_Event event;
int mx = 0, my = 0;
uint8_t tempbuttons;
if (SDL_PollEvent (&event) ) {
switch (event.type) {
case SDL_KEYDOWN:
portram[0x60] = translatescancode (event.key.keysym.sym);
portram[0x64] |= 2;
doirq (1);
//printf("%02X\n", translatescancode(event.key.keysym.sym));
keydown[translatescancode (event.key.keysym.sym) ] = 1;
if (keydown[0x38] && keydown[0x1D] && (SDL_WM_GrabInput (SDL_GRAB_QUERY) == SDL_GRAB_ON) ) {
keydown[0x1D] = 0;
keydown[0x32] = 0;
mousegrabtoggle();
break;
}
if (keydown[0x38] && keydown[0x1C]) {
keydown[0x1D] = 0;
keydown[0x38] = 0;
if (usefullscreen) usefullscreen = 0;
else usefullscreen = SDL_FULLSCREEN;
scrmodechange = 1;
break;
}
break;
case SDL_KEYUP:
portram[0x60] = translatescancode (event.key.keysym.sym) | 0x80;
portram[0x64] |= 2;
doirq (1);
keydown[translatescancode (event.key.keysym.sym) ] = 0;
break;
case SDL_MOUSEBUTTONDOWN:
if (SDL_WM_GrabInput (SDL_GRAB_QUERY) == SDL_GRAB_OFF) {
mousegrabtoggle();
break;
}
tempbuttons = SDL_GetMouseState (NULL, NULL);
if (tempbuttons & 1) buttons = 2;
else buttons = 0;
if (tempbuttons & 4) buttons |= 1;
sermouseevent (buttons, 0, 0);
break;
case SDL_MOUSEBUTTONUP:
if (SDL_WM_GrabInput (SDL_GRAB_QUERY) == SDL_GRAB_OFF) break;
tempbuttons = SDL_GetMouseState (NULL, NULL);
if (tempbuttons & 1) buttons = 2;
else buttons = 0;
if (tempbuttons & 4) buttons |= 1;
sermouseevent (buttons, 0, 0);
break;
case SDL_MOUSEMOTION:
if (SDL_WM_GrabInput (SDL_GRAB_QUERY) == SDL_GRAB_OFF) break;
SDL_GetRelativeMouseState (&mx, &my);
sermouseevent (buttons, (int8_t) mx, (int8_t) my);
SDL_WarpMouse (screen->w / 2, screen->h / 2);
while (1) {
SDL_PollEvent (&event);
SDL_GetRelativeMouseState (&mx, &my);
if ( (mx == 0) && (my == 0) ) break;
}
break;
case SDL_QUIT:
running = 0;
break;
default:
break;
}
}
}
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